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题名: Distillability of two entanglement particles transmitted through a noisy channel
作者: Yi, XX ;  Guo, GC
刊名: PHYSICAL REVIEW A
出版日期: 2000
卷号: 62, 期号:6, 页码:-
关键词: QUANTUM-COMPUTER MEMORY ;  REDUCING DECOHERENCE ;  DENSITY-MATRICES ;  WAVE-FUNCTION ;  MIXED STATES ;  SEPARABILITY ;  DISTILLATION ;  DISSIPATION ;  CRITERION ;  CANNOT
学科分类: Physics
通讯作者: Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China; Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China; Univ Sci & Technol China, Ctr Nonlinear Sci, Hefei 230026, Peoples R China
英文摘要: A quantum system is called separable if its density matrix can be written as a mixture of product stares. In this paper we apply the separability criterion as well as the distillability criterion to show that any initial inseparable 2 x 2 system retains its inseparability after its transmission through a noisy channel which consists of a set of harmonic oscillators. Hence the final state of the system can be distilled to a singlet form. For higher dimensions, however, this result is no longer true in general. The distillability of a state with higher dimensions after its transmission through the noisy channel is also discussed in this paper.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000165697200027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12868
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Yi, XX,Guo, GC. Distillability of two entanglement particles transmitted through a noisy channel[J]. PHYSICAL REVIEW A,2000,62(6):-.
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